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National Aeronautics and Space Administration
Industry: Aerospace
Number of terms: 16933
Number of blossaries: 2
Company Profile:
The Executive Branch agency of the United States government, responsible for the nation's civilian space program and aeronautics and aerospace research.
L'ocultació d'un sol cos celestial per un altre, com quan la lluna passa entre la terra i l'estrella, o quan una de les llunes de Júpiter o saturn passa darrere del planeta.
Industry:Astronomy
The point in the orbit of a planet where it is farthest from the sun.
Industry:Astronomy
A measure for distances within the solar system, equal to the mean ditance of the earth from the sun, which is about 93,000,000 miles.
Industry:Astronomy
The gaseous envelope surrounding a celestial body.
Industry:Astronomy
The use of atmospheric drag to slow a spacecraft.
Industry:Astronomy
A measure of the ability of a body to reflect light.
Industry:Astronomy
The straight line, real or imaginary, passing through a rotating body and is the line about which that body rotates.
Industry:Astronomy
The distance in degrees along the horizon, westward from the south point of the horizon, to the place where a vertical circle through the star or other object intersects the horizon.
Industry:Astronomy
The deflection of particles or radiation by scattering processes through angles greater than 90 degrees with respect to the original direction of motion.
Industry:Astronomy
The amount of matter in a unit volume of a substance; usually the mass per unit of volume.
Industry:Astronomy